78 	struct snd_pcm_runtime *runtime;  in ivtv_alsa_announce_pcm_data()  local
93 	runtime = substream->runtime;  in ivtv_alsa_announce_pcm_data()
94 	if (runtime == NULL) {  in ivtv_alsa_announce_pcm_data()
99 	stride = runtime->frame_bits >> 3;  in ivtv_alsa_announce_pcm_data()
111 	if (runtime->dma_area == NULL) {  in ivtv_alsa_announce_pcm_data()
117 	if (oldptr + length >= runtime->buffer_size) {  in ivtv_alsa_announce_pcm_data()
119 			runtime->buffer_size - oldptr;  in ivtv_alsa_announce_pcm_data()
120 		memcpy(runtime->dma_area + oldptr * stride, pcm_data,  in ivtv_alsa_announce_pcm_data()
122 		memcpy(runtime->dma_area, pcm_data + cnt * stride,  in ivtv_alsa_announce_pcm_data()
125 		memcpy(runtime->dma_area + oldptr * stride, pcm_data,  in ivtv_alsa_announce_pcm_data()
132 	    runtime->buffer_size)  in ivtv_alsa_announce_pcm_data()
134 			runtime->buffer_size;  in ivtv_alsa_announce_pcm_data()
138 	    runtime->period_size) {  in ivtv_alsa_announce_pcm_data()
140 			runtime->period_size;  in ivtv_alsa_announce_pcm_data()
153 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_ivtv_pcm_capture_open()  local
189 	runtime->hw = snd_ivtv_hw_capture;  in snd_ivtv_pcm_capture_open()
190 	snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);  in snd_ivtv_pcm_capture_open()
192 	runtime->private_data = itv;  in snd_ivtv_pcm_capture_open()
241 	struct snd_pcm_runtime *runtime = subs->runtime;  in snd_pcm_alloc_vmalloc_buffer()  local
244 	if (runtime->dma_area) {  in snd_pcm_alloc_vmalloc_buffer()
245 		if (runtime->dma_bytes > size)  in snd_pcm_alloc_vmalloc_buffer()
248 		vfree(runtime->dma_area);  in snd_pcm_alloc_vmalloc_buffer()
250 	runtime->dma_area = vmalloc(size);  in snd_pcm_alloc_vmalloc_buffer()
251 	if (!runtime->dma_area)  in snd_pcm_alloc_vmalloc_buffer()
254 	runtime->dma_bytes = size;  in snd_pcm_alloc_vmalloc_buffer()
274 	if (substream->runtime->dma_area) {  in snd_ivtv_pcm_hw_free()
276 		vfree(substream->runtime->dma_area);  in snd_ivtv_pcm_hw_free()
277 		substream->runtime->dma_area = NULL;  in snd_ivtv_pcm_hw_free()
316 	void *pageptr = subs->runtime->dma_area + offset;  in snd_pcm_get_vmalloc_page()